Home / 132,286.85-182,559.14-71,857.47

Finding the Fourth Proportional to 132,286.85, 182,559.14 and 71,857.47

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Solution

The fourth proportional to 132,286.85, 182,559.14 and 71,857.47 is: 99,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,286.85 : 182,559.14 = 71,857.47 : x
  2. Step 2: Convert to fraction form
    132,286.85/182,559.14 = 71,857.47/x
  3. Step 3: Cross multiply
    132,286.85x = 182,559.14 × 71,857.47
  4. Step 4: Simplify right side
    132,286.85x = 13,118,238,105.42
  5. Step 5: Solve for x
    x = 13,118,238,105.42/132,286.85
  6. Step 6: Final answer
    x = 99,165.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.